Rainbow-electronics MAX3079E Manual de usuario descargar pdf (Pagina 10)

MAX3070E–MAX3079E

+3.3V, ±15kV ESD-Protected, Fail-Safe,

Hot-Swap, RS-485/RS-422 Transceivers

10 ______________________________________________________________________________________

Test Circuits and Waveforms (continued)

OUT

DHZ

/ 2

0.25V

GENERATOR

0 OR 3V

50Ω

OUT

DZH

, t

DZH(SHDN)

= (0 + V

) / 2

= 500Ω

50pF

Figure 4. Driver Enable and Disable Times (t

DHZ

, t

DZH

, t

DZH(SHDN)

)

OUT

DLZ

/ 2

GENERATOR

0 OR 3V

50Ω

OUT

DZL

, t

DZL(SHDN)

= (V

+ V

) / 2

= 500Ω

50pF

0.25V

Figure 5. Driver Enable and Disable Times (t

DZL

, t

DLZ

, t

DLZ(SHDN)

)

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 24 25

MAX3070E–MAX3079E 1

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Rainbow-electronics MAX3079E Manual de usuario Pagina 10

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